3511212013 has 4 divisors (see below), whose sum is σ = 3511467900. Its totient is φ = 3510956128.

The previous prime is 3511212007. The next prime is 3511212017. The reversal of 3511212013 is 3102121153.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3310621444 + 200590569 = 57538^2 + 14163^2 .

It is a cyclic number.

It is not a de Polignac number, because 3511212013 - 2²⁹ = 2974341101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3511212017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 106120 + ... + 135217.

It is an arithmetic number, because the mean of its divisors is an integer number (877866975).

Almost surely, 2^3511212013 is an apocalyptic number.

It is an amenable number.

3511212013 is a deficient number, since it is larger than the sum of its proper divisors (255887).

3511212013 is a wasteful number, since it uses less digits than its factorization.

3511212013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255886.

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 3511212013 is about 59255.4808688614. The cubic root of 3511212013 is about 1519.9140090146.

Adding to 3511212013 its reverse (3102121153), we get a palindrome (6613333166).

The spelling of 3511212013 in words is "three billion, five hundred eleven million, two hundred twelve thousand, thirteen".